Nitrogen-fixing bacteria change nitrogen into a form of soluble nitrates that plants can use ...the air is 80% nitrogen but it is in N2 form which plants cannot use
The most common way of fruits to be spread is by birds.
Some birds eat the fruit, and when they dispose of its excrements, the seeds into that get spread.
Another way is with fruit near a waterfront and when the fruit falls into water they move away.
B:2 it is measured by the crest of the wave or as I say the top of the wave
